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Application filed by Kubec Frantisek, Jaroslav Rndr KnapfiledCriticalKubec Frantisek
Priority to CS865663ApriorityCriticalpatent/CS262801B1/en
Publication of CS566386A1publicationCriticalpatent/CS566386A1/en
Publication of CS262801B1publicationCriticalpatent/CS262801B1/en